Flora of the northwest coast, including the area west of the summit of the Cascade Mountains, from the forty-ninth parallel south to the Calapooia Mountains on the south border of Lane County, Oregon - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New Era Printing Company, 1915)

The flora of the parish of Halifax - Crossland, C. (Charles), 1844 -1916 (Halifax Scientific Society, 1904)

Flora of the Patuxent Research Refuge, Maryland - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1940)

Flora of the Queen Charlotte Islands - Calder, James A. (James Alexander), 1915 -1990 (Queen's Printer], 1968)

Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, North Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1922)

Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1917)

Flora of the Rocky Mountains and adjacent plains : Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, North Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (Rydberg, 1917)

Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and the neighboring parts of Nebraska, South Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1922)

Flora of the Santa Monica Mountains, California - Thompson, Henry J. (University of California, 1986)

A flora of the South Fork of Kings River : from Millwood to the head waters of Bubbs Creek - Eastwood, Alice, 1859 -1953 (Sierra Club, 1902)

Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolin, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana and the Indian territory and in Oklahoma and Texas east of the one-hundredth meridian - Small, John Kunkel, 1869 -1938 (The author, 1903)

Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, and in Oklahoma and Texas east of the one hundredth meridian - Small, John Kunkel, 1869 -1938 (The author, 1913)

A flora of the State of New-York, comprising full descriptions of all the indigenous and naturalized plants hitherto discovered in the state; with remarks on their economical and medicinal properties - Torrey, John, 1796 -1873 (Carroll and Cook, Printers to the Assembly, 1843)

Flora of the state of Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Govt. Print. Off, 1906)

Flora of the state of Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (G.P.O, 1906)

The flora of the town of Southold, Long Island, and Gardiner's Island - Burnham, Stewart H. (Stewart Henry), 1870 -1943 (Torrey Botanical Club, 1914)

The flora of the upper Susquehanna and its tributaries - Clute, Willard Nelson, 1869 -1950 (W.N. Clute, 1898)

Flora of the U.S.S.R - Botanicheskiĭ institut (Akademii︠a︡ nauk SSSR) (Israel Program for Scientific Translations, 1968)

Flora of the U.S.S.R - Botanicheskiĭ institut (Akademii︠a︡ nauk SSSR) (Israel Program for Scientific Translations, 2004)

Flora of the vicinity of New York; a contribution to plant geography - Taylor, Norman, 1883 -1967 (1915)

Flora of Vermont. List of ferns and seed plants growing without cultivation - Kirk, George Leavitt, 1878 -1966 (Free Press Print. Co, 1915)

Flora of Vermont; a list of the fern and seed plants growing without cultivation - Vermont Botanical Club. (Free Press Association, 1900)

Flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (1896)

Flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (M.W. Donnally, 1892)

Flora of Willoughby, Vermont - Kennedy, George G. (George Golding), 1841 -1918 (1904)

Flora of Worcester County; a catalogue of the phaenogamous and vascular cryptogamous plants of Worcester County, Masachusetts - Jackson, Joseph, 1847 -1924 (1894)

The flora of Yorkshire : with two plates - Baines, Henry. (Longman, Orme, Brown, Green, and Longman, 1840)

Flora Orcadensis : containing the flowering plants arranged according to the natural orders - Grant, James, 1930 (D. Spence, 1914)

Flora Orientalis : sive, Enumeratio plantarum in Oriente a Graecia et Aegypto ad Indiae fines hucusque observatarum - Boissier, Edmond, 1810 -1885 (H. Georg, 1867)

Flora padovana; ossia, Prospetto floristico e fitogeografico delle piante vascolari indigene inselvatichite o largamente coltivate crescenti nella provincia di Padova; con notizie storico-bibliografiche sulle fonti della flora ed illustrata da 20 tavole - Béguinot, Augusto, 1875 -1940 (Prem. Soc. coop. tip, 1909)

Flora Petropolitana. Sistens plantas in Gubernio Petropolitano sponte crescentes, tam eas quae olim in Flora Ingrica Krascheninnikovii a Gortero enumeratae sunt, quam novas post annum 1764 hucuque a variis botanicis Petropoli degentibus detectas, nunc vero generice ac specifice descriptas cum additione variarum observationum, atque Russica plantarum denominatione - Sobolewski, Gregor. (Typis Collegii Imperialis Medici, 1799)

Flora Pomerano-Rugica; exhibens plantas per Pomeraniam anteriorem Svecicam et Rugiam sponte nascentes, methodo Linneana secundum systema sexuale digestas cum differentiis specificis nominibus Germanicis, officinalibus pharmacopoeorum, locis natalibus, tempore florendi, obscuriorum descriptionibus - Weigel, Christian Ehrenfried, 1748 -1831 (Apud Gottl. Aug. Lange, 1769)

Flora Pyrenaea per ordines naturales gradatim digesta - Penzig, O. (Ottone), 1856 -1929 (U. Hoeplius, 1901)

Flora Rossica; sive, Enumeratio plantarum in totius Imperii Rossici provinciis Europaeis, Asiaticis et Americanis hucusque observatarum - Ledebour, Carl Friedrich von, 1785 -1851 (Sumptibus Librariae E. Schweizerbart, 1853)

Flora Scotica, or A description of Scottish plants arranged both according to the artificial and natural methods ; in two parts - Hooker, William Jackson, Sir, 1785 -1865 (printed by Richard and Arthur Taylor..., for Archibald Constable and Co...,and Hurst, Robinson, and Co, 1821)

Flora scotica, or, A description of Scottish plants arranged both according to the artificial and natural methods : in two parts - Hooker, William Jackson, Sir, 1785 -1865 (Hurst, Robinson, 1821)

La flora segusina di G. Francesco Re - Lessona, Michele, 1823 -1894 (1881)

La flora sicula; ossia, Manuale delle piante che vegetano nella Sicilia : preceduto da un breve saggio su la botanica generale - Farina, Vincenzo. (Tipografia I. Barone, 1874)

Flora simlensis; a handbook of the flowering plants of Simla and the neighbourhood - Collett, H. (Henry), 1836 -1901 (Thacker, Spink & Co, 1921)

Flora simlensis; a handbook of the flowering plants of Simla and the neighbourhood - Hemsley, W. Botting (William Botting), 1843 -1924 (Thacker, Spink & Co, 1902)

Flora suecica : enumerans plantas sueciae indigenas cum synopsi classium ordinumque, characteribus generum, differentiis specierum, synonymis citationibusque selectis, locis regionibusque natalibus, descriptionibus habitualibus nomina incolarum et qualitates plantarum illustrantibus : post Linnæum edita - Wahlenberg, Georgius, 1780 -1851 (Suis impensis excudebant Palmblad, 1824)

Flora Taurinensis, sive, Enumeratio plantarum circa Taurinensem urbem nascentium - Balbis, Giovanni Battista, 1765 -1831 (Ex Typographia J. Giossi, 1806)

De flora van Nederland - Heukels, Hendrik, 1854 -1936 (N. v. boekhandel en drukkerij voorheen D.J. Brill, 1909)

Flora vitiensis :a description of the plants of the Viti or Fiji islands, with an account of their history, uses, and properties - Fitch, W. H. (Walter Hood), 1817 -1892 (L. Reeve, 1865)

Flora von Admont - Strobl, Gabriel, 1846 -1925 (1881)

Flora von Bayern - Vollmann, Franz. (E. Ulmer, 1914)

Flora von Brandenburg und Umgegend : mit Berücksichtigung der Nachbarstädte Belzig, Genthin, Nauen, Rathenow und Werder - Schramm. (J. Wiesike, 1857)

Flora von Bremen und Oldenburg - Buchenau, Franz, 1831 -1906 (Heinsius Nachfolger, 1919)

Flora von Bremen und Oldenburg : zum Gebrauch in Schulen und auf Exkursionen - Buchenau, Franz, 1831 -1906 (M. Heinsius Nachfolger, 1906)

Flora von Brixen a. E.; ein mit Standorts- und Höhenangaben versehenes Verzeichnis der im weiteren Gebiete von Brixen a. E. (Südtirol) beobachteten wildwachsenden höheren Sporen- und Samenpflanzen, der Nutzgewächse und Ziergehölze - Heimerl, Anton, 1857 - (Deuticke, 1911)

Flora von Erfurt. Verzeichnis der im Kreise Erfurt und seiner nächsten Umgebung beobachteten Gafässpflanzen - Reinecke, Karl L. (C. Villaret, 1914)

Flora von Kurhessen und Nassau : diagnostischer Theil - Wigand, Albert, 1821 -1886 (T. Kay, 1875)

Flora von Meklenburg, in geographischer, geschichtlicher, systematischer, statistischer u.s.w. Hinsicht - Boll, Ernst, 1817 -1868 (C. Brünslow, 1860)

Flora von Niederhessen und Münden. Beschreibung aller im Gebiete wildwachsenden und im Grossen angebauten Pflanzen - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (T. Fischer, 1847)

Flora von Nord- und Mittel-Deutschland. Zum Gebrauche auf Excursionen in Schulen und beim Selbstunterricht, bearb. von August Garcke - Garcke, Aug. (August), 1819 -1904 (Wiegandt und Hempel, 1873)

Flora von Nordhausen und der weiteren Umgegend : systematisches Verzeichnis der wildwachsenden und häufig Kultivierten Gefässpflanzen - Angelrodt, Carl, 1845 -1913 (R. Friedländer & Sohn, 1886)

Flora von Pommern - Homann, G. G. J. (Hendess, 1828)

Flora von Schlesien, preussischen und österreichischen Anteils - Schube, Theodor, 1860 -1934 (Korn, 1904)

Flora von Schlesien, preussischen und österreichischen Antheils, oder, Vom oberen Oder- und Weichsel-Quellen-Gebiet. Nach natürlichen Familien, mit Hinweisung auf das Linnéische System - Wimmer, Friedrich, 1803 -1868 (F. Hirt, 1857)

Flora von Schlesien, preussischen und österreichischen Antheils, oder, Vom oberen Oder- und Weichsel-Quellen-Gebiet : nach natürlichen Familien, mit Hinweisung auf das Linnéische System - Wimmer, Friedrich, 1803 -1868 (F. Hirt, 1841)

Flora von Steiermark, eine systematische Bearbeitung der im Herzogtum Steiermark wildwachsenden oder im Grossen gebauten Farn- und Blütenpflanzen nebst einer pflanzengeographischen Schilderung des Landes - Naturwissenschaftlicher Verein für Steiermark. (Borntraeger, 1908)